This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Toyota Jidosha Kabushiki Kaisha, Cataler Corporation. Active years: 2021-2022.
Location History:
- Toyota, JP (2021)
- Susono, JP (2021 - 2022)
Company Filing History:
3 out of 38,837 
1 out of 260 
Years Active: 2021-2022
Title: Kohei Koyamada: Innovator in Battery Technology
Introduction
Kohei Koyamada is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of battery technology, particularly in the development of secondary battery systems and fuel cell catalysts. With a total of 3 patents to his name, Koyamada's work is recognized for its innovative approaches to energy storage and efficiency.
Latest Patents
Koyamada's latest patents include a secondary battery system and a secondary battery control method. This system features a plurality of unit cells connected in series, along with a recovery charging controller. The controller performs recovery charging by generating a micro short-circuit in at least one of the unit cells while charging at a predetermined recovery current value that exceeds the upper limit during normal charging. The unit cells utilized in this system are all-solid-state lithium secondary battery unit cells. Another notable patent is for an electrode catalyst for fuel cells, which inhibits an increase in gas diffusion resistance. This catalyst includes a carbon material with a specific ratio of peak intensities derived from its amorphous and graphite structures.
Career Highlights
Throughout his career, Koyamada has worked with notable companies such as Toyota Motor Corporation and Cataler Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in battery technology.
Collaborations
Koyamada has collaborated with esteemed colleagues, including Masafumi Nose and Toru Yamamoto. These partnerships have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.
Conclusion
Kohei Koyamada is a distinguished inventor whose work in battery technology has made a significant impact on the industry. His innovative patents and collaborations highlight his commitment to advancing energy solutions.